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Diffstat (limited to 'lib/xsd/charset.rb')
| -rw-r--r-- | lib/xsd/charset.rb | 167 |
1 files changed, 0 insertions, 167 deletions
diff --git a/lib/xsd/charset.rb b/lib/xsd/charset.rb deleted file mode 100644 index 362f13edfc..0000000000 --- a/lib/xsd/charset.rb +++ /dev/null @@ -1,167 +0,0 @@ -# XSD4R - Charset handling library. -# Copyright (C) 2001, 2003 NAKAMURA, Hiroshi <nahi@ruby-lang.org>. - -# This program is copyrighted free software by NAKAMURA, Hiroshi. You can -# redistribute it and/or modify it under the same terms of Ruby's license; -# either the dual license version in 2003, or any later version. - - -module XSD - - -module Charset - @encoding = $KCODE - - class XSDError < StandardError; end - class CharsetError < XSDError; end - class UnknownCharsetError < CharsetError; end - class CharsetConversionError < CharsetError; end - -public - - ### - ## Maps - # - EncodingConvertMap = {} - def Charset.init - begin - require 'xsd/iconvcharset' - @encoding = 'UTF8' - sjtag = (/(mswin|bccwin|mingw|cygwin|emx)/ =~ RUBY_PLATFORM) ? 'cp932' : 'shift_jis' - EncodingConvertMap[['UTF8', 'EUC' ]] = Proc.new { |str| IconvCharset.safe_iconv("euc-jp", "utf-8", str) } - EncodingConvertMap[['EUC' , 'UTF8']] = Proc.new { |str| IconvCharset.safe_iconv("utf-8", "euc-jp", str) } - EncodingConvertMap[['EUC' , 'SJIS']] = Proc.new { |str| IconvCharset.safe_iconv(sjtag, "euc-jp", str) } - EncodingConvertMap[['UTF8', 'SJIS']] = Proc.new { |str| IconvCharset.safe_iconv(sjtag, "utf-8", str) } - EncodingConvertMap[['SJIS', 'UTF8']] = Proc.new { |str| IconvCharset.safe_iconv("utf-8", sjtag, str) } - EncodingConvertMap[['SJIS', 'EUC' ]] = Proc.new { |str| IconvCharset.safe_iconv("euc-jp", sjtag, str) } - rescue LoadError - begin - require 'nkf' - EncodingConvertMap[['EUC' , 'SJIS']] = Proc.new { |str| NKF.nkf('-sXm0', str) } - EncodingConvertMap[['SJIS', 'EUC' ]] = Proc.new { |str| NKF.nkf('-eXm0', str) } - rescue LoadError - end - - begin - require 'uconv' - @encoding = 'UTF8' - EncodingConvertMap[['UTF8', 'EUC' ]] = Uconv.method(:u8toeuc) - EncodingConvertMap[['UTF8', 'SJIS']] = Uconv.method(:u8tosjis) - EncodingConvertMap[['EUC' , 'UTF8']] = Uconv.method(:euctou8) - EncodingConvertMap[['SJIS', 'UTF8']] = Uconv.method(:sjistou8) - rescue LoadError - end - end - end - self.init - - CharsetMap = { - 'NONE' => 'us-ascii', - 'EUC' => 'euc-jp', - 'SJIS' => 'shift_jis', - 'UTF8' => 'utf-8', - } - - - ### - ## handlers - # - def Charset.encoding - @encoding - end - - def Charset.encoding=(encoding) - STDERR.puts("xsd charset is set to #{encoding}") if $DEBUG - @encoding = encoding - end - - def Charset.encoding_label - charset_label(@encoding) - end - - def Charset.encoding_to_xml(str, charset) - encoding_conv(str, @encoding, charset_str(charset)) - end - - def Charset.encoding_from_xml(str, charset) - encoding_conv(str, charset_str(charset), @encoding) - end - - def Charset.encoding_conv(str, enc_from, enc_to) - if enc_from == enc_to or enc_from == 'NONE' or enc_to == 'NONE' - str - elsif converter = EncodingConvertMap[[enc_from, enc_to]] - converter.call(str) - else - raise CharsetConversionError.new( - "Converter not found: #{ enc_from } -> #{ enc_to }") - end - end - - def Charset.charset_label(encoding) - CharsetMap[encoding.upcase] - end - - def Charset.charset_str(label) - CharsetMap.index(label.downcase) - end - - # us_ascii = '[\x00-\x7F]' - us_ascii = '[\x9\xa\xd\x20-\x7F]' # XML 1.0 restricted. - USASCIIRegexp = Regexp.new("\\A#{ us_ascii }*\\z", nil, "NONE") - - twobytes_euc = '(?:[\x8E\xA1-\xFE][\xA1-\xFE])' - threebytes_euc = '(?:\x8F[\xA1-\xFE][\xA1-\xFE])' - character_euc = "(?:#{ us_ascii }|#{ twobytes_euc }|#{ threebytes_euc })" - EUCRegexp = Regexp.new("\\A#{ character_euc }*\\z", nil, "NONE") - - # onebyte_sjis = '[\x00-\x7F\xA1-\xDF]' - onebyte_sjis = '[\x9\xa\xd\x20-\x7F\xA1-\xDF]' # XML 1.0 restricted. - twobytes_sjis = '(?:[\x81-\x9F\xE0-\xFC][\x40-\x7E\x80-\xFC])' - character_sjis = "(?:#{ onebyte_sjis }|#{ twobytes_sjis })" - SJISRegexp = Regexp.new("\\A#{ character_sjis }*\\z", nil, "NONE") - - # 0xxxxxxx - # 110yyyyy 10xxxxxx - twobytes_utf8 = '(?:[\xC0-\xDF][\x80-\xBF])' - # 1110zzzz 10yyyyyy 10xxxxxx - threebytes_utf8 = '(?:[\xE0-\xEF][\x80-\xBF][\x80-\xBF])' - # 11110uuu 10uuuzzz 10yyyyyy 10xxxxxx - fourbytes_utf8 = '(?:[\xF0-\xF7][\x80-\xBF][\x80-\xBF][\x80-\xBF])' - character_utf8 = "(?:#{ us_ascii }|#{ twobytes_utf8 }|#{ threebytes_utf8 }|#{ fourbytes_utf8 })" - UTF8Regexp = Regexp.new("\\A#{ character_utf8 }*\\z", nil, "NONE") - - def Charset.is_us_ascii(str) - USASCIIRegexp =~ str - end - - def Charset.is_utf8(str) - UTF8Regexp =~ str - end - - def Charset.is_euc(str) - EUCRegexp =~ str - end - - def Charset.is_sjis(str) - SJISRegexp =~ str - end - - def Charset.is_ces(str, code = $KCODE) - case code - when 'NONE' - is_us_ascii(str) - when 'UTF8' - is_utf8(str) - when 'EUC' - is_euc(str) - when 'SJIS' - is_sjis(str) - else - raise UnknownCharsetError.new("Unknown charset: #{ code }") - end - end -end - - -end |